Finding the Fourth Proportional to 1,900,168.12, 2,850,390.42 and 637,985.08
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Solution
The fourth proportional to 1,900,168.12, 2,850,390.42 and 637,985.08 is: 957,024.03
Step by Step Solution
- Step 1: Write the proportion equation
1,900,168.12 : 2,850,390.42 = 637,985.08 : x - Step 2: Convert to fraction form
1,900,168.12/2,850,390.42 = 637,985.08/x - Step 3: Cross multiply
1,900,168.12x = 2,850,390.42 × 637,985.08 - Step 4: Simplify right side
1,900,168.12x = 1,818,506,560,134.93 - Step 5: Solve for x
x = 1,818,506,560,134.93/1,900,168.12 - Step 6: Final answer
x = 957,024.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.